/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigInfluenceMap.h
void OnKeyRenamed ( const [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) & InOldKey, const [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) & InNewKey )